Joy powered roof supports for high capacity longwall applications are custom designed to meet your exacting cycle and operating requirements.
Underground roof support.
Road reinforcement when soft bottom conditions require effective base reinforcement the spectra roadway improvement system featuring tensar triax geogrid is the ideal solution.
Strata worldwide was founded on its line of engineered secondary roof supports for underground coal mining.
We design deliver and provide on site services and support for chemical roof support rock stabilization and ventilation sealing products to the mining and underground construction.
Originally introduced in 1993 the strata propsetter support system remains one of strata s top selling support props through out the world.
Conventional sublevel caving supports allow coal to be drawn from the roof using articulated canopies with special chutes integrated into the gob shield the front afc or a second afc located behind the shields.
Heights from 0 8 to 7 8 meters.
We will continue to explore and transform chemical solutions into innovative new products.
Leg bore sizes ranging from 125 to 480 mm.
Widths of 1 5 1 75 and 2 05 meters.
An underground roof is a deflecting surface just below grade that slopes away from the building and directs all that roof water away from the foundation.